Home / 1,212,070.80-1,818,106.20-834,157.20

Finding the Fourth Proportional to 1,212,070.80, 1,818,106.20 and 834,157.20

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Solution

The fourth proportional to 1,212,070.80, 1,818,106.20 and 834,157.20 is: 1,251,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,070.80 : 1,818,106.20 = 834,157.20 : x
  2. Step 2: Convert to fraction form
    1,212,070.80/1,818,106.20 = 834,157.20/x
  3. Step 3: Cross multiply
    1,212,070.80x = 1,818,106.20 × 834,157.20
  4. Step 4: Simplify right side
    1,212,070.80x = 1,516,586,377,094.64
  5. Step 5: Solve for x
    x = 1,516,586,377,094.64/1,212,070.80
  6. Step 6: Final answer
    x = 1,251,235.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.